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//-----------------------------------------------------------------------------
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//  pinchtool.cpp
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//
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//  ChangeLog:
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//
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//    24/04/2005  Fab
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//                  Refactoring:
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//                    - removed unused headers
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//                    - changed zero finder algorithm (secant vs bisection)
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//    22/05/2005  Fab
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//                  Added header file.
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//                  Added adapting dragger.
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//
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//    12/06/2005  Fab
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//                  Changed deformator API.
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//                  Added designer for dragger.
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//
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//-----------------------------------------------------------------------------
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#ifdef _DEBUG
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#define _STLP_DEBUG 1
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#endif
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#include "tools/toolutils.h"
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#include "tools/toolhandle.h"
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#include "tools/cursors.h"
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#include "tdebugmessage.h"
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#include "tgeometry.h"
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#include "tgl.h"
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#include "tproperty.h"
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#include "tstream.h"
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#include "tstrokeutil.h"
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#include "tthreadmessage.h"
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#include "tools/pinchtool.h"
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#include "toonz/tobjecthandle.h"
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#include "toonz/txshlevelhandle.h"
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#include "toonz/tstageobject.h"
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#include "ext/StrokeDeformation.h"
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#include "ext/SmoothDeformation.h"
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#include "ext/OverallDesigner.h"
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#include "ext/ExtUtil.h"
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#include "ext/Selector.h"
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#include "ext/CornerDeformation.h"
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#include "ext/StraightCornerDeformation.h"
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#include "ext/StrokeDeformation.h"
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#include <memory></memory>
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#include <algorithm></algorithm>
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using namespace ToolUtils;
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using namespace ToonzExt;
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// viene usato??
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class TGlobalChange;
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namespace {
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struct GLMatrixGuard {
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  GLMatrixGuard() { glPushMatrix(); }
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  ~GLMatrixGuard() { glPopMatrix(); }
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};
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}  // namespace
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//-----------------------------------------------------------------------------
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PinchTool::PinchTool()
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    : TTool("T_Pinch")
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    , m_active(false)
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    , m_cursorEnabled(false)
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    , m_draw(false)
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    , m_undo(0)
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    , m_showSelector(true)
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    , m_toolRange("Size:", 1.0, 1000.0, 500.0)  // W_ToolOptions_PinchTool
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    , m_toolCornerSize("Corner:", 1.0, 180.0,
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                       160.0)          // W_ToolOptions_PinchCorner
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    , m_autoOrManual("Manual", false)  // W_ToolOptions_PinchManual
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    , m_deformation(new ToonzExt::StrokeDeformation)
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    , m_selector(500, 10, 1000) {
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  bind(TTool::Vectors);
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  m_prop.bind(m_toolCornerSize);
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  m_prop.bind(m_autoOrManual);
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  m_prop.bind(m_toolRange);
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  CornerDeformation::instance()->setCursorId(ToolCursor::PinchWaveCursor);
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  SmoothDeformation::instance()->setCursorId(ToolCursor::PinchCursor);
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  StraightCornerDeformation::instance()->setCursorId(
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      ToolCursor::PinchAngleCursor);
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  assert(m_deformation && "Can not create a deformation CATASTROFIC!!!");
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  TMouseEvent dummy;
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  updateInterfaceStatus(dummy);
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  m_autoOrManual.setId("Manual");
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}
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//-----------------------------------------------------------------------------
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PinchTool::~PinchTool() {
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  delete m_deformation;
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  m_deformation = 0;
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}
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//-----------------------------------------------------------------------------
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void PinchTool::updateTranslation() {
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  m_toolRange.setQStringName(tr("Size:"));
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  m_toolCornerSize.setQStringName(tr("Corner:"));
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  m_autoOrManual.setQStringName(tr("Manual"));
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}
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//-----------------------------------------------------------------------------
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TStroke *PinchTool::getClosestStroke(const TPointD &pos, double &w) const {
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  TVectorImageP vi = TImageP(getImage(false));
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  if (!vi) return 0;
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  double dist = 0;
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  UINT index;
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  if (vi->getNearestStroke(pos, w, index, dist, true))
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    return vi->getStroke(index);
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  else
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    return 0;
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}
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//-----------------------------------------------------------------------------
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void PinchTool::updateInterfaceStatus(const TMouseEvent &event) {
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  assert(getPixelSize() > 0 && "Pixel size is lower than 0!!!");
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  m_status.isManual_            = m_autoOrManual.getValue();
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  m_status.pixelSize_           = getPixelSize();
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  m_status.cornerSize_          = (int)m_toolCornerSize.getValue();
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  m_status.lengthOfAction_      = m_toolRange.getValue();
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  m_status.deformerSensitivity_ = 0.01 * getPixelSize();
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  m_status.key_event_ = ContextStatus::NONE;
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  // mutual exclusive
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  if (event.isCtrlPressed()) m_status.key_event_  = ContextStatus::CTRL;
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  if (event.isShiftPressed()) m_status.key_event_ = ContextStatus::SHIFT;
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  // TODO:  **DEVE** essere fatto dentro la costruzione di TMouseEvent
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  // nel codice di Toonz/Tab/ecc. **NON** ci devono essere ifdef MACOSX se e'
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  // possibile
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  // evitarlo. Qua sotto ci deve essere solo if(event.isShiftPressed)
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  /*#ifdef MACOSX
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if(event.isLockPressed() )
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#else*/
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  if (event.isAltPressed())
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    //#endif
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    m_status.key_event_ = ContextStatus::ALT;
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  m_selector.setStroke(0);
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  m_selector.setVisibility(m_status.isManual_ && m_showSelector);
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  m_selector.setLength(m_status.lengthOfAction_);
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}
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//-----------------------------------------------------------------------------
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void PinchTool::updateStrokeStatus(TStroke *stroke, double w) {
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  assert(stroke && "Stroke is null!!!");
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  assert(0.0 <= w && w <= 1.0 && "Stroke's parameter is out of range [0,1]!!!");
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  if (!stroke || w < 0.0 || w > 1.0) return;
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  // start update the status
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  m_status.stroke2change_ = stroke;
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  m_status.w_             = w;
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  assert(stroke->getLength() >= 0.0 && "Wrong length in stroke!!!");
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}
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//-----------------------------------------------------------------------------
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int PinchTool::updateCursor() const {
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  if (!(TVectorImageP)getImage(false)) return ToolCursor::CURSOR_NO;
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  return m_deformation->getCursorId();
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}
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//---------------------------------------------------------------------------
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void PinchTool::leftButtonDown(const TPointD &pos, const TMouseEvent &event) {
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  m_curr = m_down = pos;
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  if (!m_active && !m_selector.isSelected()) {
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    m_active = false;
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    assert(m_undo == 0);
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    StrokeDeformation *deformation = m_deformation;
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    TVectorImageP vi = TImageP(getImage(true));
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    if (!vi) return;
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    m_active = true;
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    ContextStatus *status = &m_status;
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    // reset status
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    status->init();
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    double w, dist2;
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    // find nearest stroke
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    if (vi->getNearestStroke(m_down, w, m_n, dist2, true)) {
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      TStroke *stroke = vi->getStroke(m_n);
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      assert(stroke && "Not valid stroke found!!!");
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      if (!stroke) return;
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      updateStrokeStatus(stroke, w);
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      // set parameters from sliders
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      updateInterfaceStatus(event);
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      deformation->activate(status);
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      // stroke can be changed (replaced by another) during deformation activate
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      if (TTool::getApplication()->getCurrentObject()->isSpline())
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        m_undo = new ToolUtils::UndoPath(
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            getXsheet()->getStageObject(getObjectId())->getSpline());
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      else {
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        TXshSimpleLevel *sl =
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            TTool::getApplication()->getCurrentLevel()->getSimpleLevel();
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        assert(sl);
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        TFrameId id = getCurrentFid();
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        m_undo      = new UndoModifyStrokeAndPaint(sl, id, m_n);
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      }
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    }
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  }
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  m_selector.mouseDown(m_curr);
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  m_prev = m_curr;
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  invalidate();
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}
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//-----------------------------------------------------------------------------
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void PinchTool::leftButtonDrag(const TPointD &pos, const TMouseEvent &e) {
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  m_curr = pos;
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  if (m_selector.isSelected()) {
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    m_selector.mouseDrag(m_curr);
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    TDoubleProperty::Range prop_range = m_toolRange.getRange();
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    double val_in_range               = m_selector.getLength();
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    // set value in range
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    val_in_range =
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        std::max(std::min(val_in_range, prop_range.second), prop_range.first);
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    try {
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      m_toolRange.setValue(val_in_range);
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      TTool::getApplication()->getCurrentTool()->notifyToolChanged();
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    } catch (TDoubleProperty::RangeError &) {
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      m_toolRange.setValue((prop_range.first + prop_range.second) * 0.5);
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      TTool::getApplication()->getCurrentTool()->notifyToolChanged();
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    }
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    m_selector.setLength(m_toolRange.getValue());
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  } else {
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    TVectorImageP vi(getImage(true));
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    ContextStatus *status = &m_status;
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    if (!vi || !status->stroke2change_ || !m_active) return;
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    QMutexLocker lock(vi->getMutex());
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    // assert( status->stroke2change_->getLength() >= 0.0 );
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    StrokeDeformation *deformation = m_deformation;
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    TPointD delta = m_curr - m_prev;
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    deformation->update(delta);
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  }
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  m_prev = m_curr;
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  // moveCursor(pos);
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  invalidate();
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}
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//-----------------------------------------------------------------------------
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void PinchTool::leftButtonUp(const TPointD &pos, const TMouseEvent &e) {
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  if (!m_active || m_selector.isSelected()) return;
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  m_active = false;
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  TVectorImageP vi(getImage(true));
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  ContextStatus *status = &m_status;
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  if (!vi || !status->stroke2change_) {
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    delete m_undo;
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    m_undo = 0;
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    return;
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  }
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  // if mouse position is unchanged doesn't modify current stroke
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  if (areAlmostEqual(m_down, pos, PickRadius * status->pixelSize_)) {
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    assert(m_undo);
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    delete m_undo;
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    m_undo = 0;
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// to avoid red line tool on stroke
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#ifdef _WIN32
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    invalidate(
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        status->stroke2change_->getBBox().enlarge(status->pixelSize_ * 13));
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#else
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    invalidate();
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#endif
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    m_deformation->deactivate();
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    status->stroke2change_ = 0;
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    return;
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  }
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  QMutexLocker lock(vi->getMutex());
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  TStroke *deactivateStroke          = m_deformation->deactivate();
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  deactivateStroke->outlineOptions() = status->stroke2change_->outlineOptions();
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  replaceStroke(status->stroke2change_, deactivateStroke, m_n, vi);
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  status->stroke2change_ = 0;
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  vi->notifyChangedStrokes(m_n);
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#ifdef _DEBUG
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  vi->checkIntersections();
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#endif
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  invalidate();
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#ifdef _DEBUG
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  vi->checkIntersections();
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#endif
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  moveCursor(pos);
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  notifyImageChanged();
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  assert(m_undo);
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  TUndoManager::manager()->add(m_undo);
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  m_undo = 0;
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}
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//-----------------------------------------------------------------------------
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void PinchTool::onEnter() {
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  m_draw = true;
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  // per sicurezza
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  // m_status.stroke2change_ = 0;
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  // m_selector.setStroke(0);
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}
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//-----------------------------------------------------------------------------
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void PinchTool::onLeave() {
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  if (!m_active) m_draw   = false;
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  m_status.stroke2change_ = 0;
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  // Abbiamo dovuto commentarlo perche' stranamente
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  // l'onLeave viene chiamata anche quando viene premuto il tasto del mouse
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  // per iniziare a fare drag utilizzando il Selector
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  // setStroke al suo interno resetta lo status del Selector (lo mette a NONE)
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  //  m_selector.setStroke(0);
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  m_deformation->reset();
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}
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//-----------------------------------------------------------------------------
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void PinchTool::onImageChanged() {
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  m_status.stroke2change_ = 0;
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  m_deformation->reset();
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Shinya Kitaoka 120a6e
  double w        = 0;
shun_iwasawa bc352c
  TStroke *stroke = getClosestStroke(m_lastMouseEvent.m_pos, w);
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  if (stroke) {
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    // set parameters from sliders
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    updateInterfaceStatus(m_lastMouseEvent);
Toshihiro Shimizu 890ddd
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    // update information about current stroke
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    updateStrokeStatus(stroke, w);
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  }
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  m_selector.setStroke(stroke);
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  invalidate();
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}
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//-----------------------------------------------------------------------------
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void PinchTool::draw() {
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  GLMatrixGuard guard;
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  TVectorImageP img(getImage(true));
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  if (!img ||
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      img->getStrokeCount() ==
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          0)  // Controllo che il numero degli stroke nell'immagine sia != 0
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    return;
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  if (!m_draw) return;
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  ContextStatus *status = &m_status;
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  if (!status) return;
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  StrokeDeformation *deformation = m_deformation;
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  OverallDesigner designer((int)m_curr.x, (int)m_curr.y);
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  // m_active == true means that a button down is done (drag)
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  if (!m_active) {
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    if (m_cursorEnabled) {
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      glColor3d(1, 0, 1);
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      if (m_cursor.thick > 0) tglDrawCircle(m_cursor, m_cursor.thick);
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      tglDrawCircle(m_cursor, m_cursor.thick + 4 * status->pixelSize_);
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    }
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  }
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  // internal deformer can be changed during draw
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  if (!m_selector.isSelected()) deformation->draw(&designer);
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  m_selector.draw(&designer);
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  CHECK_ERRORS_BY_GL;
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}
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//-----------------------------------------------------------------------------
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void PinchTool::invalidateCursorArea() {
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  double r = m_cursor.thick + 6;
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  TPointD d(r, r);
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  invalidate(TRectD(m_cursor - d, m_cursor + d));
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}
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//-----------------------------------------------------------------------------
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void PinchTool::mouseMove(const TPointD &pos, const TMouseEvent &event) {
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  if (m_active) return;
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  if (!m_draw) m_draw = true;
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  ContextStatus *status = &m_status;
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  m_curr                = pos;
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  const int pixelRange = 3;
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  if (abs(m_lastMouseEvent.m_pos.x - event.m_pos.x) < pixelRange &&
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      abs(m_lastMouseEvent.m_pos.y - event.m_pos.y) < pixelRange &&
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      m_lastMouseEvent.getModifiersMask() == event.getModifiersMask())
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    return;
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  m_lastMouseEvent = event;
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  double w         = 0;
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  TStroke *stroke  = getClosestStroke(pos, w);
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  if (stroke) {
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    // set parameters from sliders
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    updateInterfaceStatus(event);
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    // update information about current stroke
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    updateStrokeStatus(stroke, w);
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    // retrieve the currect m_deformation and
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    // prepare to design and modify
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    if (m_deformation) m_deformation->check(status);
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    m_selector.setStroke(stroke);
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    m_selector.mouseMove(m_curr);
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  } else {
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    m_status.stroke2change_ = 0;
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    m_selector.setStroke(0);
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    return;
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  }
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  m_prev          = m_curr;
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  m_cursorEnabled = moveCursor(pos);
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  if (m_cursorEnabled) invalidate();
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  //  TNotifier::instance()->notify(TToolChange());
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}
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//-----------------------------------------------------------------------------
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shun-iwasawa 7f1e30
bool PinchTool::keyDown(QKeyEvent *event) {
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  if (!m_active) m_deformation->reset();
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#if 0
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  char c = (char)key;
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  if(c == 'p' ||
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     c == 'P' )
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  {
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    TVectorImageP vimage(getImage());      
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    if(!vimage)
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      return false;
Toshihiro Shimizu 890ddd
    
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    char  fileName[] = {"c:\\toonz_input.sdd"};
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    ofstream  out_file(fileName);
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    if(!out_file)
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    {
Toshihiro Shimizu 890ddd
      cerr<<"Error on opening: "<
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      return false;
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    }
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    out_file<<"# VImage info\n";
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    out_file<<"# Number of stroke:\n";
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    const int max_number_of_strokes = vimage->getStrokeCount();
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    out_file<
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    int number_of_strokes = 0;
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    const int cp_for_row=3;
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    while( number_of_strokes
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    {
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      TStroke* ref = vimage->getStroke(number_of_strokes);
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      out_file<
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      out_file<<"# Number of control points for stroke:\n";
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      const int max_number_of_cp = ref->getControlPointCount();
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      out_file<
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      out_file<<"# Control Points:\n";
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      int number_of_cp=0;
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      while( number_of_cp
Toshihiro Shimizu 890ddd
      {
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        out_file<<ref->getControlPoint(number_of_cp)<<" ";</ref->
Toshihiro Shimizu 890ddd
        if(!((number_of_cp+1)%cp_for_row)) // add a new line after ten points
Toshihiro Shimizu 890ddd
          out_file<
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        number_of_cp++;
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      }
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      out_file<
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      number_of_strokes++;
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    }
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  }
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#endif
Shinya Kitaoka 120a6e
  return true;
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}
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//-----------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
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bool PinchTool::moveCursor(const TPointD &pos) {
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  double w        = 0.0;
Shinya Kitaoka 120a6e
  TStroke *stroke = getClosestStroke(pos, w);
Shinya Kitaoka 120a6e
  if (!stroke) return false;
Toshihiro Shimizu 890ddd
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  m_cursor = stroke->getThickPoint(w);
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  return true;
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}
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//-----------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PinchTool::onActivate() {
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  //  getApplication()->editImageOrSpline();
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  //  TNotifier::instance()->attach(this);
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  // per sicurezza
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  m_status.stroke2change_ = 0;
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  m_selector.setStroke(0);
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}
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//-----------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PinchTool::onDeactivate() {
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  m_draw = false;
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  delete m_undo;
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  m_undo   = 0;
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  m_active = false;
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  m_deformation->reset();
Shinya Kitaoka 120a6e
  //  TNotifier::instance()->detach(this);
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}
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//-----------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void PinchTool::update(const TGlobalChange &) {
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  m_cursor = TConsts::natp;
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  m_selector.setStroke(0);
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  m_selector.setVisibility(m_autoOrManual.getValue() && m_showSelector);
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  if (m_deformation) delete m_deformation->deactivate();
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  // per sicurezza
Shinya Kitaoka 120a6e
  m_status.stroke2change_ = 0;
Toshihiro Shimizu 890ddd
}
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//-----------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
static PinchTool pinchTool;